- Companies
- Electricians
- Neath
- A.H. Williams Electrical Limited
A.H. Williams Electrical Limited
- Company number
- 07380050
- Incorporated
- 17 Sep 201016 years trading
- Registered office
- 5 Derlwyn, Neath, SA10 7QU
- Nature of business
- Electrical installation
A.H. Williams Electrical Limited is a 16-year-old private limited company registered in Neath, company number 07380050, one of 36 electrical contractors in Neath. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £6,361 (+94.7%) on the year before, to £13K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £20K against £12K owed within a year: 1.6 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £13K | £19K | £20K | £12K | 1 |
| 30 Sep 2024 | £6,719 | £12K | £15K | £13K | 2 |
| 30 Sep 2023 | £4,642 | £11K | £15K | £14K | 1 |
| 30 Sep 2022 | £7,496 | £11K | £15K | £10K | 1 |
| 30 Sep 2021 | £7,768 | £11K | £16K | £9,465 | 1 |
| 30 Sep 2020 | £16K | £23K | £24K | £9,122 | 1 |
| 30 Sep 2019 | £9,378 | £15K | £16K | £12K | 1 |
| 30 Sep 2018 | £6,459 | £11K | £11K | £10K | 1 |
| 30 Sep 2017 | £10K | £19K | £19K | £16K | 1 |
| 30 Sep 2016 | £3,435 | £15K | £15K | £21K |
Where A.H. Williams Electrical Limited is registered
The registered office is in Neath (SA10), in the Neath Port Talbot local authority area, Wales. Show SA10 7QU on a map.
Other trade companies in SA10
- Gleam Cleaning Solutions LtdCleaning companies
- Laker Maintenance LtdElectricians
- South Wales Auto Keys LtdMechanics and garages
- DG Coatings LtdPainters and decorators
- Icc (SW) LtdBuilders
- Atom Solar Installations LtdElectricians
- Rapid Response Building Solutions LtdProperty developers
- Primus Brickwork LimitedSpecialist contractors
What happens if A.H. Williams Electrical Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 07380050
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 September 2010 (16 years ago)
- Registered office
- 5 Derlwyn, Neath, SA10 7QU
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 15 June 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Neath
Other active electrical contractors registered in Neath.
- Adam Williams (Neath) Electrical Ltd2025
- Atom Solar Installations Ltd2026
- C.C.S. Neath Electrics Limited1977
- Chargepoint Solutions Ltd2021
- David Fisher Electrical Ltd2026
- Dead Cert Electrical Ltd2023
- DSH Electrical Ltd2023
- Electrical Installation & Testing Service Limited2004
All electrical contractors in Neath · All trades in Neath · Electricians across the UK
Frequently asked questions
When are A.H. Williams Electrical Limited's accounts due?
A.H. Williams Electrical Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is A.H. Williams Electrical Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is A.H. Williams Electrical Limited still trading?
A.H. Williams Electrical Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does A.H. Williams Electrical Limited do?
A.H. Williams Electrical Limited is registered under Electrical installation (SIC 43210).
How old is A.H. Williams Electrical Limited?
A.H. Williams Electrical Limited was incorporated on 17 September 2010, 16 years ago.
What is the penalty if A.H. Williams Electrical Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View A.H. Williams Electrical Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.